#region Copyright (c) 2006-2012 nHydrate.org, All Rights Reserved
// --------------------------------------------------------------------- *
//                           NHYDRATE.ORG                                *
//              Copyright (c) 2006-2012 All Rights reserved              *
//                                                                       *
//                                                                       *
// This file and its contents are protected by United States and         *
// International copyright laws.  Unauthorized reproduction and/or       *
// distribution of all or any portion of the code contained herein       *
// is strictly prohibited and will result in severe civil and criminal   *
// penalties.  Any violations of this copyright will be prosecuted       *
// to the fullest extent possible under law.                             *
//                                                                       *
// THE SOURCE CODE CONTAINED HEREIN AND IN RELATED FILES IS PROVIDED     *
// TO THE REGISTERED DEVELOPER FOR THE PURPOSES OF EDUCATION AND         *
// TROUBLESHOOTING. UNDER NO CIRCUMSTANCES MAY ANY PORTION OF THE SOURCE *
// CODE BE DISTRIBUTED, DISCLOSED OR OTHERWISE MADE AVAILABLE TO ANY     *
// THIRD PARTY WITHOUT THE EXPRESS WRITTEN CONSENT OF THE NHYDRATE GROUP *
//                                                                       *
// UNDER NO CIRCUMSTANCES MAY THE SOURCE CODE BE USED IN WHOLE OR IN     *
// PART, AS THE BASIS FOR CREATING A PRODUCT THAT PROVIDES THE SAME, OR  *
// SUBSTANTIALLY THE SAME, FUNCTIONALITY AS THIS PRODUCT                 *
//                                                                       *
// THE REGISTERED DEVELOPER ACKNOWLEDGES THAT THIS SOURCE CODE           *
// CONTAINS VALUABLE AND PROPRIETARY TRADE SECRETS OF NHYDRATE,          *
// THE REGISTERED DEVELOPER AGREES TO EXPEND EVERY EFFORT TO             *
// INSURE ITS CONFIDENTIALITY.                                           *
//                                                                       *
// THE END USER LICENSE AGREEMENT (EULA) ACCOMPANYING THE PRODUCT        *
// PERMITS THE REGISTERED DEVELOPER TO REDISTRIBUTE THE PRODUCT IN       *
// EXECUTABLE FORM ONLY IN SUPPORT OF APPLICATIONS WRITTEN USING         *
// THE PRODUCT.  IT DOES NOT PROVIDE ANY RIGHTS REGARDING THE            *
// SOURCE CODE CONTAINED HEREIN.                                         *
//                                                                       *
// THIS COPYRIGHT NOTICE MAY NOT BE REMOVED FROM THIS FILE.              *
// --------------------------------------------------------------------- *
#endregion
using System;
using System.Collections;
using System.Collections.Generic;
using System.Xml;
using nHydrate.Generator.Common.GeneratorFramework;
using nHydrate.Generator.Common.Util;

namespace nHydrate.Generator.Models
{
	public class ViewColumnRelationshipCollection : BaseModelCollection, IEnumerable<ViewColumnRelationship>
	{
		#region Member Variables
		private readonly List<ViewColumnRelationship> _columnRelationships = new List<ViewColumnRelationship>();
		#endregion

		#region Constructor

		public ViewColumnRelationshipCollection(INHydrateModelObject root)
			: base(root)
		{
		}

		#endregion

		#region Methods

		public ViewColumnRelationship GetByParentField(CustomViewColumn column)
		{
			foreach (ViewColumnRelationship r in this)
			{
				var c = (CustomViewColumn)r.ChildColumnRef.Object;
				if (c == column)
					return r;
			}
			return null;
		}

		public ColumnRelationship GetByChildField(CustomViewColumn column)
		{
			foreach (ColumnRelationship r in this)
			{
				var c = (CustomViewColumn)r.ParentColumnRef.Object;
				if (c == column)
					return r;
			}
			return null;
		}

		#endregion

		#region IXMLable Members

		public override void XmlAppend(XmlNode node)
		{
			var oDoc = node.OwnerDocument;

			foreach (var columnRelationship in _columnRelationships)
			{
				var columnRelationshipNode = oDoc.CreateElement("cr");
				columnRelationship.XmlAppend(columnRelationshipNode);
				node.AppendChild(columnRelationshipNode);
			}

		}

		public override void XmlLoad(XmlNode node)
		{
			_key = XmlHelper.GetAttributeValue(node, "key", string.Empty);
			var columnRelationshipNodes = node.SelectNodes("columnRelationship"); //deprecated, use "cr"
			if (columnRelationshipNodes.Count == 0) columnRelationshipNodes = node.SelectNodes("cr");
			foreach (XmlNode columnRelationshipNode in columnRelationshipNodes)
			{
				var newColumnRelationship = new ViewColumnRelationship(this.Root);
				newColumnRelationship.XmlLoad(columnRelationshipNode);
				this.Add(newColumnRelationship);
			}

			this.Dirty = false;

		}

		#endregion

		#region IList Members
		public bool IsReadOnly
		{
			get { return false; }
		}

		public ViewColumnRelationship this[int index]
		{
			get { return (ViewColumnRelationship)_columnRelationships[index]; }
			set { _columnRelationships[index] = value; }
		}

		public void RemoveAt(int index)
		{
			_columnRelationships.RemoveAt(index);
		}

		public void Insert(int index, ViewColumnRelationship value)
		{
			_columnRelationships.Insert(index, value);
		}

		public void Remove(ViewColumnRelationship value)
		{
			_columnRelationships.Remove(value);
		}

		public bool Contains(ViewColumnRelationship value)
		{
			return _columnRelationships.Contains(value);
		}

		public override void Clear()
		{
			_columnRelationships.Clear();
		}

		public int IndexOf(ViewColumnRelationship value)
		{
			return _columnRelationships.IndexOf(value);
		}

		public override void AddRange(ICollection list)
		{
			foreach (ViewColumnRelationship item in list)
			{
				_columnRelationships.Add(item);
			}
		}

		public void Add(ViewColumnRelationship value)
		{
			_columnRelationships.Add(value);
		}

		public bool IsFixedSize
		{
			get { return false; }
		}

		#endregion

		#region ICollection Members

		public override bool IsSynchronized
		{
			get { return false; }
		}

		public override int Count
		{
			get
			{
				return _columnRelationships.Count;
			}
		}

		public override void CopyTo(Array array, int index)
		{
			_columnRelationships.CopyTo((ViewColumnRelationship[])array, index);
		}

		public override object SyncRoot
		{
			get { return _columnRelationships; }
		}

		#endregion

		#region IEnumerable Members

		public override IEnumerator GetEnumerator()
		{
			return _columnRelationships.GetEnumerator();
		}

		#endregion

		#region IEnumerable<ColumnRelationship> Members

		IEnumerator<ViewColumnRelationship> IEnumerable<ViewColumnRelationship>.GetEnumerator()
		{
			return _columnRelationships.GetEnumerator();
		}

		#endregion
	}

}